First car to break the sound barrier

According to Official Guinness Records,

When Andy Green (UK) set the land speed record in 1997 in the Black Rock Desert, it was the first time that anyone on land had gone faster than the speed of sound (usually around 1,236 km/h, or 768 mph) in dry air at 20°C (68°F). The resultant sonic boom shook a school and caused sprinkler covers to fall off in the nearby town of Gerlach.Pilot Green achieved the record 50 years and a day after the sound barrier was broken in the air by pilot Chuck Yeager (USA).

For a complete list of 1997 records, please visit 1997 Guinness Records in United States.

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